Williams, T. A., & Thomas A. Williams; Dennis J. Sweeney; David R. Anderson. (2007). Essentials of contemporary business statistics. Mason, OH: Thomson/South-Western.
استشهاد بنمط شيكاغوWilliams, Thomas A., و Thomas A. Williams; Dennis J. Sweeney; David R. Anderson. Essentials of Contemporary Business Statistics. Mason, OH: Thomson/South-Western, 2007.
MLA استشهادWilliams, Thomas A., و Thomas A. Williams; Dennis J. Sweeney; David R. Anderson. Essentials of Contemporary Business Statistics. Mason, OH: Thomson/South-Western, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.